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57490-10-5

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57490-10-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57490-10-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,4,9 and 0 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 57490-10:
(7*5)+(6*7)+(5*4)+(4*9)+(3*0)+(2*1)+(1*0)=135
135 % 10 = 5
So 57490-10-5 is a valid CAS Registry Number.

57490-10-5Relevant academic research and scientific papers

Design, synthesis and biological evaluation of sulfenimine cephalosporin sulfoxides as β-lactamase inhibitors

Zhang, Kai,Ding, Huai-Wei,Ju, Hao,Huang, Qi,Zhang, Li-Juan,Song, Hong-Rui,Fu, De-Cai

, p. 801 - 803 (2015/08/03)

Abstract A series of sulfenimine cephalosporin sulfoxide derivatives (7a-v) were designed, synthesized and evaluated for their inhibitory activity against TEM-1 and cephalosporinase in cell-free systems. Some of the tested compounds showed enhanced inhibi

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